Senior Payroll Specialist

Senior Payroll Specialist

We are seeking a knowledgeable and detail-oriented Senior Payroll Specialist with strong experience in U.S. and international payroll processing, Workday Payroll, and complex tax compliance. This role is critical to ensure accurate and timely payroll execution across multiple countries, with a strong focus on tax filings, audits, and global statutory compliance.

The ideal candidate will demonstrate the ability to thrive in both large-scale and fast-growing startup environments, showing adaptability, ownership of end-to-end processes, and hands-on problem solving. Experience with OneSource Virtual (OSV) or a comparable third-party tax provider is strongly preferred.

Direct, process, and review international payrolls (e.g., Canada, UK, EMEA, APAC) in partnership with in-country vendors and internal stakeholders, ensuring accuracy, timeliness, and statutory compliance.

Serve as backup for U.S. payroll processing in Workday, maintaining compliance with federal, state, and local regulations.

Ensure payroll adherence to local statutory regulations, including social insurance, tax withholding, and reporting requirements.

Collaborate with OSV on U.S. tax filings, amendments, and the resolution of agency notices.

Review, reconcile, and analyze payroll tax liabilities and funding across jurisdictions.

Coordinate with international payroll vendors to validate inputs and ensure timely and accurate delivery of gross-to-net calculations, payments, and statutory reports.

Manage quarter-end and year-end payroll close processes, including W-2s, T4s, P11Ds, PSA filings, and other statutory deliverables.

Conduct system testing and support Workday configuration updates to meet evolving payroll and compliance needs.

Maintain comprehensive documentation of payroll processes, statutory requirements, and audit trails for all payroll entities.

Provide support during internal and external audits, responding to requests related to both U.S. and international payroll.

For base compensation, we set standard ranges for all roles based on function and level benchmarked against similar stage growth companies and internal comparables. In order to be compliant with local legislation, as well as to provide greater transparency to candidates, we share salary ranges on all job postings regardless of desired hiring location. Final offer amounts are determined by multiple factors including candidate experience / expertise and may vary from the amounts listed below.

$74,000 - $101,000 USD

AlphaSense is an equal-opportunity employer. We are committed to a work environment that supports, inspires, and respects all individuals. All employees share in the responsibility for fulfilling AlphaSense's commitment to equal employment opportunity. AlphaSense does not discriminate against any employee or applicant on the basis of race, color, sex (including pregnancy), national origin, age, religion, marital status, sexual orientation, gender identity, gender expression, military or veteran status, disability, or any other non-merit factor. This policy applies to every aspect of employment at AlphaSense, including recruitment, hiring, training, advancement, and termination.

In addition, it is the policy of AlphaSense to provide reasonable accommodation to qualified employees who have protected disabilities to the extent required by applicable laws, regulations, and ordinances where a particular employee works.